68248395

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 123125184

約数和(自身を除く): 54876789

約数列:

[1, 3, 5, 9, 15, 41, 45, 71, 123, 205, 213, 355, 369, 521, 615, 639, 1065, 1563, 1845, 2605, 2911, 3195, 4689, 7815, 8733, 14555, 21361, 23445, 26199, 36991, 43665, 64083, 106805, 110973, 130995, 184955, 192249, 320415, 332919, 554865, 961245, 1516631, 1664595, 4549893, 7583155, 13649679, 22749465, 68248395]

約数ペア:

[(1, 68248395), (3, 22749465), (5, 13649679), (9, 7583155), (15, 4549893), (41, 1664595), (45, 1516631), (71, 961245), (123, 554865), (205, 332919), (213, 320415), (355, 192249), (369, 184955), (521, 130995), (615, 110973), (639, 106805), (1065, 64083), (1563, 43665), (1845, 36991), (2605, 26199), (2911, 23445), (3195, 21361), (4689, 14555), (7815, 8733)]